Monika Agarwal, and Dr. Saurabh Agarwal. “Variables in Research A Critical Study: अनुसंधान में चर एक समीक्षात्मक अध्ययन”. Jai Maa Saraswati Gyandayini An International Multidisciplinary e-Journal 8, no. IV (April 30, 2023): 10–15. Accessed April 26, 2024. http://www.jmsjournals.in/index.php/jmsg/article/view/241.